zero-trust-framework.ts•31.6 kB
import { EventEmitter } from 'events';
import { createLogger } from '../../shared/src/logging.js';
import { memoryOptimizationSuite } from '../../shared/src/memory-optimization-suite.js';
export interface ZeroTrustPolicy {
id: string;
name: string;
version: string;
description: string;
rules: PolicyRule[];
conditions: PolicyCondition[];
actions: PolicyAction[];
metadata: {
createdBy: string;
createdAt: number;
updatedAt: number;
tags: string[];
environment: string;
};
status: 'active' | 'inactive' | 'deprecated';
}
export interface PolicyRule {
id: string;
type: 'allow' | 'deny' | 'audit' | 'challenge';
priority: number;
conditions: {
subject: SubjectCondition;
resource: ResourceCondition;
action: ActionCondition;
context: ContextCondition;
};
exceptions: string[];
timeWindow?: TimeWindow;
}
export interface SubjectCondition {
type: 'user' | 'service' | 'device' | 'application';
identifiers: string[];
attributes: AttributeCondition[];
groups: string[];
roles: string[];
}
export interface ResourceCondition {
type: 'endpoint' | 'data' | 'service' | 'infrastructure';
patterns: string[];
classification: 'public' | 'internal' | 'confidential' | 'restricted';
attributes: AttributeCondition[];
}
export interface ActionCondition {
operations: string[];
methods: string[];
scope: string[];
}
export interface ContextCondition {
network: NetworkCondition;
device: DeviceCondition;
time: TimeCondition;
location: LocationCondition;
risk: RiskCondition;
}
export interface AttributeCondition {
name: string;
operator: 'equals' | 'not_equals' | 'contains' | 'not_contains' | 'regex' | 'in' | 'not_in';
values: string[];
}
export interface NetworkCondition {
allowedNetworks: string[];
blockedNetworks: string[];
requireVPN: boolean;
allowedCountries: string[];
blockedCountries: string[];
}
export interface DeviceCondition {
requiredCompliance: string[];
allowedDeviceTypes: string[];
requiredEncryption: boolean;
maxRiskScore: number;
}
export interface TimeCondition {
allowedHours: string[];
allowedDays: string[];
timezone: string;
}
export interface LocationCondition {
allowedRegions: string[];
blockedRegions: string[];
maxDistanceFromOffice: number;
}
export interface RiskCondition {
maxRiskScore: number;
riskFactors: string[];
requireMFA: boolean;
}
export interface TimeWindow {
start: Date;
end: Date;
recurrence?: 'daily' | 'weekly' | 'monthly';
}
export interface PolicyCondition {
type: 'and' | 'or' | 'not';
conditions: (PolicyCondition | PolicyRule)[];
}
export interface PolicyAction {
type: 'allow' | 'deny' | 'challenge' | 'audit' | 'alert' | 'quarantine';
parameters: Record<string, any>;
notifications: NotificationConfig[];
}
export interface NotificationConfig {
type: 'email' | 'sms' | 'slack' | 'webhook';
recipients: string[];
template: string;
urgency: 'low' | 'medium' | 'high' | 'critical';
}
export interface AccessRequest {
id: string;
subject: {
type: 'user' | 'service' | 'device' | 'application';
identifier: string;
attributes: Record<string, any>;
credentials: Credential[];
};
resource: {
type: 'endpoint' | 'data' | 'service' | 'infrastructure';
identifier: string;
classification: string;
attributes: Record<string, any>;
};
action: {
operation: string;
method: string;
scope: string[];
};
context: {
requestTime: number;
sourceIP: string;
userAgent: string;
deviceInfo: DeviceInfo;
networkInfo: NetworkInfo;
locationInfo: LocationInfo;
riskScore: number;
sessionInfo: SessionInfo;
};
metadata: Record<string, any>;
}
export interface Credential {
type: 'password' | 'token' | 'certificate' | 'biometric' | 'mfa';
value: string;
issuer: string;
expiresAt?: number;
scopes: string[];
}
export interface DeviceInfo {
id: string;
type: 'desktop' | 'mobile' | 'tablet' | 'server' | 'iot';
os: string;
version: string;
isManaged: boolean;
complianceStatus: 'compliant' | 'non_compliant' | 'unknown';
encryptionStatus: 'encrypted' | 'not_encrypted' | 'unknown';
riskScore: number;
}
export interface NetworkInfo {
sourceIP: string;
sourceNetwork: string;
country: string;
region: string;
isVPN: boolean;
isTor: boolean;
isProxy: boolean;
riskScore: number;
}
export interface LocationInfo {
latitude: number;
longitude: number;
accuracy: number;
country: string;
region: string;
city: string;
timezone: string;
}
export interface SessionInfo {
id: string;
createdAt: number;
lastActivity: number;
mfaVerified: boolean;
riskScore: number;
anomalies: string[];
}
export interface AccessDecision {
decision: 'allow' | 'deny' | 'challenge';
reason: string;
confidence: number;
appliedPolicies: string[];
requiredActions: string[];
validityPeriod: number;
conditions: string[];
riskFactors: RiskFactor[];
auditTrail: AuditEntry[];
}
export interface RiskFactor {
type: string;
description: string;
severity: 'low' | 'medium' | 'high' | 'critical';
score: number;
mitigation: string;
}
export interface AuditEntry {
timestamp: number;
action: string;
actor: string;
resource: string;
result: string;
details: Record<string, any>;
}
export interface ThreatIntelligence {
id: string;
type: 'ip' | 'domain' | 'hash' | 'signature' | 'behavior';
value: string;
threat_type: 'malware' | 'phishing' | 'botnet' | 'bruteforce' | 'anomaly';
severity: 'low' | 'medium' | 'high' | 'critical';
confidence: number;
source: string;
first_seen: number;
last_seen: number;
tags: string[];
indicators: string[];
}
export class ZeroTrustFramework extends EventEmitter {
private logger = createLogger('ZeroTrustFramework');
private policies = new Map<string, ZeroTrustPolicy>();
private threatIntelligence = new Map<string, ThreatIntelligence>();
private accessRequests = new Map<string, AccessRequest>();
private auditLog: AuditEntry[] = [];
private policyEngine: PolicyEngine;
private riskEngine: RiskEngine;
private identityProvider: IdentityProvider;
private deviceManager: DeviceManager;
private threatIntelligenceService: ThreatIntelligenceService;
private complianceManager: ComplianceManager;
private monitoringInterval: NodeJS.Timeout | null = null;
constructor() {
super();
this.policyEngine = new PolicyEngine(this);
this.riskEngine = new RiskEngine(this);
this.identityProvider = new IdentityProvider(this);
this.deviceManager = new DeviceManager(this);
this.threatIntelligenceService = new ThreatIntelligenceService(this);
this.complianceManager = new ComplianceManager(this);
this.initializeDefaultPolicies();
this.startMonitoring();
this.setupEventHandlers();
this.logger.info('Zero Trust Framework initialized');
}
private setupEventHandlers(): void {
this.on('accessRequest', (request) => {
this.auditLog.push({
timestamp: Date.now(),
action: 'access_request',
actor: request.subject.identifier,
resource: request.resource.identifier,
result: 'pending',
details: { requestId: request.id }
});
});
this.on('accessDecision', (decision, request) => {
this.auditLog.push({
timestamp: Date.now(),
action: 'access_decision',
actor: request.subject.identifier,
resource: request.resource.identifier,
result: decision.decision,
details: {
requestId: request.id,
reason: decision.reason,
confidence: decision.confidence,
policies: decision.appliedPolicies
}
});
});
this.on('threatDetected', (threat) => {
this.logger.warn(`Threat detected: ${threat.type}`, threat);
this.auditLog.push({
timestamp: Date.now(),
action: 'threat_detected',
actor: 'system',
resource: threat.value,
result: 'alert',
details: threat
});
});
this.on('policyViolation', (violation) => {
this.logger.error(`Policy violation: ${violation.policy}`, violation);
this.auditLog.push({
timestamp: Date.now(),
action: 'policy_violation',
actor: violation.subject,
resource: violation.resource,
result: 'violation',
details: violation
});
});
}
private initializeDefaultPolicies(): void {
// Default deny-all policy
const defaultDenyPolicy: ZeroTrustPolicy = {
id: 'default-deny',
name: 'Default Deny Policy',
version: '1.0.0',
description: 'Default policy that denies all access unless explicitly allowed',
rules: [{
id: 'deny-all',
type: 'deny',
priority: 1000,
conditions: {
subject: { type: 'user', identifiers: ['*'], attributes: [], groups: [], roles: [] },
resource: { type: 'endpoint', patterns: ['*'], classification: 'public', attributes: [] },
action: { operations: ['*'], methods: ['*'], scope: ['*'] },
context: {
network: { allowedNetworks: [], blockedNetworks: [], requireVPN: false, allowedCountries: [], blockedCountries: [] },
device: { requiredCompliance: [], allowedDeviceTypes: [], requiredEncryption: false, maxRiskScore: 100 },
time: { allowedHours: [], allowedDays: [], timezone: 'UTC' },
location: { allowedRegions: [], blockedRegions: [], maxDistanceFromOffice: 0 },
risk: { maxRiskScore: 100, riskFactors: [], requireMFA: false }
}
},
exceptions: []
}],
conditions: [],
actions: [{
type: 'deny',
parameters: { reason: 'Default deny policy' },
notifications: []
}],
metadata: {
createdBy: 'system',
createdAt: Date.now(),
updatedAt: Date.now(),
tags: ['default', 'security'],
environment: 'all'
},
status: 'active'
};
// Health check allow policy
const healthCheckPolicy: ZeroTrustPolicy = {
id: 'health-check-allow',
name: 'Health Check Allow Policy',
version: '1.0.0',
description: 'Allow health check requests',
rules: [{
id: 'allow-health-checks',
type: 'allow',
priority: 100,
conditions: {
subject: { type: 'service', identifiers: ['*'], attributes: [], groups: [], roles: [] },
resource: { type: 'endpoint', patterns: ['/health', '*/health'], classification: 'public', attributes: [] },
action: { operations: ['read'], methods: ['GET'], scope: ['health'] },
context: {
network: { allowedNetworks: [], blockedNetworks: [], requireVPN: false, allowedCountries: [], blockedCountries: [] },
device: { requiredCompliance: [], allowedDeviceTypes: [], requiredEncryption: false, maxRiskScore: 50 },
time: { allowedHours: [], allowedDays: [], timezone: 'UTC' },
location: { allowedRegions: [], blockedRegions: [], maxDistanceFromOffice: 0 },
risk: { maxRiskScore: 50, riskFactors: [], requireMFA: false }
}
},
exceptions: []
}],
conditions: [],
actions: [{
type: 'allow',
parameters: { reason: 'Health check endpoint' },
notifications: []
}],
metadata: {
createdBy: 'system',
createdAt: Date.now(),
updatedAt: Date.now(),
tags: ['health', 'monitoring'],
environment: 'all'
},
status: 'active'
};
// High-risk deny policy
const highRiskDenyPolicy: ZeroTrustPolicy = {
id: 'high-risk-deny',
name: 'High Risk Deny Policy',
version: '1.0.0',
description: 'Deny access for high-risk requests',
rules: [{
id: 'deny-high-risk',
type: 'deny',
priority: 50,
conditions: {
subject: { type: 'user', identifiers: ['*'], attributes: [], groups: [], roles: [] },
resource: { type: 'endpoint', patterns: ['*'], classification: 'public', attributes: [] },
action: { operations: ['*'], methods: ['*'], scope: ['*'] },
context: {
network: { allowedNetworks: [], blockedNetworks: [], requireVPN: false, allowedCountries: [], blockedCountries: [] },
device: { requiredCompliance: [], allowedDeviceTypes: [], requiredEncryption: false, maxRiskScore: 100 },
time: { allowedHours: [], allowedDays: [], timezone: 'UTC' },
location: { allowedRegions: [], blockedRegions: [], maxDistanceFromOffice: 0 },
risk: { maxRiskScore: 80, riskFactors: [], requireMFA: false }
}
},
exceptions: []
}],
conditions: [],
actions: [{
type: 'deny',
parameters: { reason: 'High risk score detected' },
notifications: [{
type: 'email',
recipients: ['security@company.com'],
template: 'high-risk-access-denied',
urgency: 'high'
}]
}],
metadata: {
createdBy: 'system',
createdAt: Date.now(),
updatedAt: Date.now(),
tags: ['risk', 'security'],
environment: 'all'
},
status: 'active'
};
this.policies.set(defaultDenyPolicy.id, defaultDenyPolicy);
this.policies.set(healthCheckPolicy.id, healthCheckPolicy);
this.policies.set(highRiskDenyPolicy.id, highRiskDenyPolicy);
}
async evaluateAccess(request: AccessRequest): Promise<AccessDecision> {
const startTime = Date.now();
this.emit('accessRequest', request);
try {
// Step 1: Enrich request with additional context
const enrichedRequest = await this.enrichRequest(request);
// Step 2: Calculate risk score
const riskScore = await this.riskEngine.calculateRiskScore(enrichedRequest);
enrichedRequest.context.riskScore = riskScore;
// Step 3: Check threat intelligence
const threats = await this.threatIntelligenceService.checkThreats(enrichedRequest);
if (threats.length > 0) {
this.emit('threatDetected', threats[0]);
}
// Step 4: Evaluate policies
const decision = await this.policyEngine.evaluatePolicies(enrichedRequest);
// Step 5: Apply additional security checks
const finalDecision = await this.applySecurityChecks(decision, enrichedRequest);
// Step 6: Log decision
this.emit('accessDecision', finalDecision, enrichedRequest);
const evaluationTime = Date.now() - startTime;
this.logger.info(`Access evaluation completed in ${evaluationTime}ms`, {
requestId: request.id,
decision: finalDecision.decision,
confidence: finalDecision.confidence
});
return finalDecision;
} catch (error) {
this.logger.error(`Access evaluation failed for request ${request.id}:`, error);
return {
decision: 'deny',
reason: 'Evaluation error',
confidence: 0,
appliedPolicies: [],
requiredActions: [],
validityPeriod: 0,
conditions: [],
riskFactors: [{
type: 'system_error',
description: 'Access evaluation failed',
severity: 'high',
score: 100,
mitigation: 'Review system logs and retry'
}],
auditTrail: []
};
}
}
private async enrichRequest(request: AccessRequest): Promise<AccessRequest> {
// Enrich with device information
const deviceInfo = await this.deviceManager.getDeviceInfo(request.context.deviceInfo.id);
if (deviceInfo) {
request.context.deviceInfo = deviceInfo;
}
// Enrich with identity information
const identityInfo = await this.identityProvider.getIdentityInfo(request.subject.identifier);
if (identityInfo) {
Object.assign(request.subject.attributes, identityInfo);
}
// Enrich with location information
const locationInfo = await this.getLocationInfo(request.context.sourceIP);
if (locationInfo) {
request.context.locationInfo = locationInfo;
}
return request;
}
private async getLocationInfo(ip: string): Promise<LocationInfo | null> {
// Simplified IP geolocation - in production would use real service
return {
latitude: 37.7749,
longitude: -122.4194,
accuracy: 1000,
country: 'US',
region: 'CA',
city: 'San Francisco',
timezone: 'America/Los_Angeles'
};
}
private async applySecurityChecks(decision: AccessDecision, request: AccessRequest): Promise<AccessDecision> {
// Apply additional security checks based on decision
if (decision.decision === 'allow') {
// Check for anomalous behavior
const anomalies = await this.detectAnomalies(request);
if (anomalies.length > 0) {
decision.decision = 'challenge';
decision.reason = 'Anomalous behavior detected';
decision.requiredActions = ['mfa_verification'];
decision.riskFactors.push({
type: 'behavioral_anomaly',
description: 'Unusual access pattern detected',
severity: 'medium',
score: 60,
mitigation: 'Require additional authentication'
});
}
}
return decision;
}
private async detectAnomalies(request: AccessRequest): Promise<string[]> {
const anomalies: string[] = [];
// Check for unusual time access
const hour = new Date(request.context.requestTime).getHours();
if (hour < 6 || hour > 22) {
anomalies.push('unusual_time_access');
}
// Check for unusual location
// This would typically involve comparing to user's normal locations
// Check for unusual device
if (!request.context.deviceInfo.isManaged) {
anomalies.push('unmanaged_device');
}
return anomalies;
}
createPolicy(policy: Omit<ZeroTrustPolicy, 'id' | 'metadata'>): string {
const policyId = `policy_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
const fullPolicy: ZeroTrustPolicy = {
...policy,
id: policyId,
metadata: {
createdBy: 'admin',
createdAt: Date.now(),
updatedAt: Date.now(),
tags: policy.rules.map(r => r.type),
environment: 'production'
}
};
this.policies.set(policyId, fullPolicy);
this.emit('policyCreated', fullPolicy);
this.logger.info(`Created zero trust policy: ${policy.name}`, { policyId });
return policyId;
}
updatePolicy(policyId: string, updates: Partial<ZeroTrustPolicy>): boolean {
const policy = this.policies.get(policyId);
if (!policy) {
return false;
}
Object.assign(policy, updates);
policy.metadata.updatedAt = Date.now();
this.emit('policyUpdated', policy);
this.logger.info(`Updated zero trust policy: ${policy.name}`, { policyId });
return true;
}
deletePolicy(policyId: string): boolean {
const policy = this.policies.get(policyId);
if (!policy) {
return false;
}
this.policies.delete(policyId);
this.emit('policyDeleted', policy);
this.logger.info(`Deleted zero trust policy: ${policy.name}`, { policyId });
return true;
}
addThreatIntelligence(threat: ThreatIntelligence): void {
this.threatIntelligence.set(threat.id, threat);
this.emit('threatIntelligenceAdded', threat);
this.logger.info(`Added threat intelligence: ${threat.type}`, { threatId: threat.id });
}
private startMonitoring(): void {
this.monitoringInterval = setInterval(() => {
this.performSecurityMonitoring();
}, 60000); // Every minute
}
private performSecurityMonitoring(): void {
// Monitor for security events
const recentAuditEntries = this.auditLog.filter(entry =>
Date.now() - entry.timestamp < 300000 // Last 5 minutes
);
// Check for suspicious patterns
const deniedRequests = recentAuditEntries.filter(entry =>
entry.action === 'access_decision' && entry.result === 'deny'
);
if (deniedRequests.length > 10) {
this.emit('suspiciousActivity', {
type: 'high_denial_rate',
count: deniedRequests.length,
timeWindow: '5 minutes'
});
}
// Check for policy violations
const violations = recentAuditEntries.filter(entry =>
entry.action === 'policy_violation'
);
if (violations.length > 5) {
this.emit('suspiciousActivity', {
type: 'high_violation_rate',
count: violations.length,
timeWindow: '5 minutes'
});
}
}
// Public API methods
getPolicies(): ZeroTrustPolicy[] {
return Array.from(this.policies.values());
}
getPolicy(policyId: string): ZeroTrustPolicy | null {
return this.policies.get(policyId) || null;
}
getThreatIntelligence(): ThreatIntelligence[] {
return Array.from(this.threatIntelligence.values());
}
getAuditLog(limit: number = 100): AuditEntry[] {
return this.auditLog.slice(-limit);
}
getComplianceStatus(): any {
return this.complianceManager.getComplianceStatus();
}
async generateComplianceReport(): Promise<any> {
return await this.complianceManager.generateReport();
}
async shutdown(): Promise<void> {
if (this.monitoringInterval) {
clearInterval(this.monitoringInterval);
}
await this.complianceManager.shutdown();
this.logger.info('Zero Trust Framework shutdown completed');
}
}
class PolicyEngine {
private framework: ZeroTrustFramework;
private logger = createLogger('PolicyEngine');
constructor(framework: ZeroTrustFramework) {
this.framework = framework;
}
async evaluatePolicies(request: AccessRequest): Promise<AccessDecision> {
const policies = this.framework.getPolicies()
.filter(p => p.status === 'active')
.sort((a, b) => a.rules[0]?.priority - b.rules[0]?.priority);
const appliedPolicies: string[] = [];
const riskFactors: RiskFactor[] = [];
let finalDecision: 'allow' | 'deny' | 'challenge' = 'deny';
let reason = 'No matching policy';
let confidence = 0;
for (const policy of policies) {
for (const rule of policy.rules) {
if (await this.evaluateRule(rule, request)) {
appliedPolicies.push(policy.id);
finalDecision = rule.type === 'allow' ? 'allow' :
rule.type === 'challenge' ? 'challenge' : 'deny';
reason = `Policy: ${policy.name}, Rule: ${rule.id}`;
confidence = 0.9;
break;
}
}
if (finalDecision !== 'deny') break;
}
return {
decision: finalDecision,
reason,
confidence,
appliedPolicies,
requiredActions: finalDecision === 'challenge' ? ['mfa_verification'] : [],
validityPeriod: finalDecision === 'allow' ? 3600000 : 0, // 1 hour
conditions: [],
riskFactors,
auditTrail: []
};
}
private async evaluateRule(rule: PolicyRule, request: AccessRequest): Promise<boolean> {
// Evaluate subject conditions
if (!this.evaluateSubjectCondition(rule.conditions.subject, request.subject)) {
return false;
}
// Evaluate resource conditions
if (!this.evaluateResourceCondition(rule.conditions.resource, request.resource)) {
return false;
}
// Evaluate action conditions
if (!this.evaluateActionCondition(rule.conditions.action, request.action)) {
return false;
}
// Evaluate context conditions
if (!this.evaluateContextCondition(rule.conditions.context, request.context)) {
return false;
}
return true;
}
private evaluateSubjectCondition(condition: SubjectCondition, subject: AccessRequest['subject']): boolean {
if (condition.type !== subject.type && condition.type !== '*') {
return false;
}
if (condition.identifiers.length > 0 &&
!condition.identifiers.includes(subject.identifier) &&
!condition.identifiers.includes('*')) {
return false;
}
return true;
}
private evaluateResourceCondition(condition: ResourceCondition, resource: AccessRequest['resource']): boolean {
if (condition.type !== resource.type && condition.type !== '*') {
return false;
}
if (condition.patterns.length > 0) {
const matches = condition.patterns.some(pattern => {
if (pattern === '*') return true;
if (pattern.includes('*')) {
const regex = new RegExp(pattern.replace(/\*/g, '.*'));
return regex.test(resource.identifier);
}
return pattern === resource.identifier;
});
if (!matches) return false;
}
return true;
}
private evaluateActionCondition(condition: ActionCondition, action: AccessRequest['action']): boolean {
if (condition.operations.length > 0 &&
!condition.operations.includes(action.operation) &&
!condition.operations.includes('*')) {
return false;
}
if (condition.methods.length > 0 &&
!condition.methods.includes(action.method) &&
!condition.methods.includes('*')) {
return false;
}
return true;
}
private evaluateContextCondition(condition: ContextCondition, context: AccessRequest['context']): boolean {
// Check risk score
if (context.riskScore > condition.risk.maxRiskScore) {
return false;
}
// Check device compliance
if (context.deviceInfo.riskScore > condition.device.maxRiskScore) {
return false;
}
// Check network conditions
if (condition.network.blockedNetworks.some(network =>
context.networkInfo.sourceNetwork.includes(network))) {
return false;
}
return true;
}
}
class RiskEngine {
private framework: ZeroTrustFramework;
private logger = createLogger('RiskEngine');
constructor(framework: ZeroTrustFramework) {
this.framework = framework;
}
async calculateRiskScore(request: AccessRequest): Promise<number> {
let totalScore = 0;
let factorCount = 0;
// Device risk
const deviceRisk = this.calculateDeviceRisk(request.context.deviceInfo);
totalScore += deviceRisk;
factorCount++;
// Network risk
const networkRisk = this.calculateNetworkRisk(request.context.networkInfo);
totalScore += networkRisk;
factorCount++;
// Location risk
const locationRisk = this.calculateLocationRisk(request.context.locationInfo);
totalScore += locationRisk;
factorCount++;
// Time risk
const timeRisk = this.calculateTimeRisk(request.context.requestTime);
totalScore += timeRisk;
factorCount++;
// Behavioral risk
const behavioralRisk = await this.calculateBehavioralRisk(request);
totalScore += behavioralRisk;
factorCount++;
return factorCount > 0 ? totalScore / factorCount : 0;
}
private calculateDeviceRisk(deviceInfo: DeviceInfo): number {
let risk = 0;
if (!deviceInfo.isManaged) risk += 30;
if (deviceInfo.complianceStatus === 'non_compliant') risk += 40;
if (deviceInfo.encryptionStatus === 'not_encrypted') risk += 20;
if (deviceInfo.type === 'mobile') risk += 10;
return Math.min(risk, 100);
}
private calculateNetworkRisk(networkInfo: NetworkInfo): number {
let risk = 0;
if (networkInfo.isTor) risk += 80;
if (networkInfo.isProxy) risk += 40;
if (!networkInfo.isVPN) risk += 20;
return Math.min(risk, 100);
}
private calculateLocationRisk(locationInfo: LocationInfo): number {
let risk = 0;
// High-risk countries
const highRiskCountries = ['CN', 'RU', 'KP', 'IR'];
if (highRiskCountries.includes(locationInfo.country)) {
risk += 50;
}
return Math.min(risk, 100);
}
private calculateTimeRisk(requestTime: number): number {
const hour = new Date(requestTime).getHours();
// Higher risk during off-hours
if (hour < 6 || hour > 22) {
return 30;
}
return 0;
}
private async calculateBehavioralRisk(request: AccessRequest): Promise<number> {
// Simplified behavioral analysis
let risk = 0;
// Check for rapid successive requests
const recentRequests = this.framework.getAuditLog(100)
.filter(entry =>
entry.actor === request.subject.identifier &&
Date.now() - entry.timestamp < 60000 // Last minute
);
if (recentRequests.length > 10) {
risk += 40;
}
return Math.min(risk, 100);
}
}
class IdentityProvider {
private framework: ZeroTrustFramework;
private logger = createLogger('IdentityProvider');
constructor(framework: ZeroTrustFramework) {
this.framework = framework;
}
async getIdentityInfo(identifier: string): Promise<Record<string, any> | null> {
// Simplified identity lookup
return {
roles: ['user'],
groups: ['employees'],
department: 'engineering',
clearanceLevel: 'standard'
};
}
}
class DeviceManager {
private framework: ZeroTrustFramework;
private logger = createLogger('DeviceManager');
constructor(framework: ZeroTrustFramework) {
this.framework = framework;
}
async getDeviceInfo(deviceId: string): Promise<DeviceInfo | null> {
// Simplified device lookup
return {
id: deviceId,
type: 'desktop',
os: 'macOS',
version: '12.0',
isManaged: true,
complianceStatus: 'compliant',
encryptionStatus: 'encrypted',
riskScore: 10
};
}
}
class ThreatIntelligenceService {
private framework: ZeroTrustFramework;
private logger = createLogger('ThreatIntelligenceService');
constructor(framework: ZeroTrustFramework) {
this.framework = framework;
}
async checkThreats(request: AccessRequest): Promise<ThreatIntelligence[]> {
const threats: ThreatIntelligence[] = [];
// Check IP against threat intelligence
const ipThreats = this.framework.getThreatIntelligence()
.filter(threat =>
threat.type === 'ip' &&
threat.value === request.context.sourceIP
);
threats.push(...ipThreats);
return threats;
}
}
class ComplianceManager {
private framework: ZeroTrustFramework;
private logger = createLogger('ComplianceManager');
constructor(framework: ZeroTrustFramework) {
this.framework = framework;
}
getComplianceStatus(): any {
return {
soc2: 'compliant',
gdpr: 'compliant',
hipaa: 'not_applicable',
pci: 'not_applicable',
iso27001: 'in_progress',
lastAssessment: Date.now() - 30 * 24 * 60 * 60 * 1000 // 30 days ago
};
}
async generateReport(): Promise<any> {
const auditLog = this.framework.getAuditLog(1000);
const policies = this.framework.getPolicies();
return {
reportId: `compliance_${Date.now()}`,
generatedAt: Date.now(),
period: {
start: Date.now() - 30 * 24 * 60 * 60 * 1000,
end: Date.now()
},
summary: {
totalAccess: auditLog.filter(e => e.action === 'access_decision').length,
deniedAccess: auditLog.filter(e => e.action === 'access_decision' && e.result === 'deny').length,
activePolicies: policies.filter(p => p.status === 'active').length,
violations: auditLog.filter(e => e.action === 'policy_violation').length
},
compliance: this.getComplianceStatus()
};
}
async shutdown(): Promise<void> {
// Cleanup compliance resources
}
}
export default ZeroTrustFramework;